2040768686 has 32 divisors (see below), whose sum is σ = 3538896480. Its totient is φ = 873779200.

The previous prime is 2040768661. The next prime is 2040768703. The reversal of 2040768686 is 6868670402.

It is a self number, because there is not a number n which added to its sum of digits gives 2040768686.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12851 + ... + 65166.

It is an arithmetic number, because the mean of its divisors is an integer number (110590515).

Almost surely, 2^2040768686 is an apocalyptic number.

2040768686 is a deficient number, since it is larger than the sum of its proper divisors (1498127794).

2040768686 is a wasteful number, since it uses less digits than its factorization.

2040768686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78100.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 2040768686 is about 45174.8678581355. The cubic root of 2040768686 is about 1268.4244180761.

The spelling of 2040768686 in words is "two billion, forty million, seven hundred sixty-eight thousand, six hundred eighty-six".